Package g1901_2000.s1904_the_number_of_full_rounds_you_have_played

Class Solution

java.lang.Object

g1901_2000.s1904_the_number_of_full_rounds_you_have_played.Solution

public class Solution
extends Object

1904 - The Number of Full Rounds You Have Played.<p>Medium</p> <p>You are participating in an online chess tournament. There is a chess round that starts every <code>15</code> minutes. The first round of the day starts at <code>00:00</code>, and after every <code>15</code> minutes, a new round starts.</p> <ul> <li>For example, the second round starts at <code>00:15</code>, the fourth round starts at <code>00:45</code>, and the seventh round starts at <code>01:30</code>.</li> </ul> <p>You are given two strings <code>loginTime</code> and <code>logoutTime</code> where:</p> <ul> <li><code>loginTime</code> is the time you will login to the game, and</li> <li><code>logoutTime</code> is the time you will logout from the game.</li> </ul> <p>If <code>logoutTime</code> is <strong>earlier</strong> than <code>loginTime</code>, this means you have played from <code>loginTime</code> to midnight and from midnight to <code>logoutTime</code>.</p> <p>Return <em>the number of full chess rounds you have played in the tournament</em>.</p> <p><strong>Note:</strong> All the given times follow the 24-hour clock. That means the first round of the day starts at <code>00:00</code> and the last round of the day starts at <code>23:45</code>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> loginTime = &ldquo;09:31&rdquo;, logoutTime = &ldquo;10:14&rdquo;</p> <p><strong>Output:</strong> 1</p> <p><strong>Explanation:</strong></p> <p>You played one full round from 09:45 to 10:00. You did not play the full round from 09:30 to 09:45 because you logged in at 09:31 after it began.</p> <p>You did not play the full round from 10:00 to 10:15 because you logged out at 10:14 before it ended.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> loginTime = &ldquo;21:30&rdquo;, logoutTime = &ldquo;03:00&rdquo;</p> <p><strong>Output:</strong> 22</p> <p><strong>Explanation:</strong> You played 10 full rounds from 21:30 to 00:00 and 12 full rounds from 00:00 to 03:00. 10 + 12 = 22.</p> <p><strong>Constraints:</strong></p> <ul> <li><code>loginTime</code> and <code>logoutTime</code> are in the format <code>hh:mm</code>.</li> <li><code>00 <= hh <= 23</code></li> <li><code>00 <= mm <= 59</code></li> <li><code>loginTime</code> and <code>logoutTime</code> are not equal.</li> </ul>

Constructor Summary

Constructors

Constructor	Description
Solution()

Method Summary

Modifier and Type	Method	Description
int	numberOfRounds(String loginTime, String logoutTime)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Solution

public Solution()

Method Details

numberOfRounds

public int numberOfRounds(String loginTime,
 String logoutTime)